a yellow crystalline compound existing in three isomeric forms, obtained by reaction of benzene with nitric and sulphuric acids. The meta- form is used in the manufacture of dyes and plastics. Formula: C6H4(N02)2
dinitrobenzene in American English
(daɪˌnaɪtroʊˈbɛnˌzin)
noun
any of three isomeric compounds, C6H4(NO2)2, formed by the reaction of nitric acid and benzene or nitrobenzene: used in dyes, organic synthesis, etc.